Medical Dictionary Definitions A-Z List
Medical Dictionary Definitions A - Z - «S»:
Shock, anaphylactic: A life-threatening allergic reaction characterized by a swelling of body tissues including the throat, difficulty in breathing, and a sudden fall in blood pressure....
Shock, cardiogenic: Shock caused by heart failure. The
heart fails to pump blood effectively. For example, a heart attack (a myocardial
infarction) can cause an abnormal ineffectual heart beat (an arrhythmia) with very slow,
rapid, or irregular contractions of the heart, impairing the heart's abilit...
Shock, hypovolemic: Shock due to a decrease in blood
volume. This is the #1 cause of shock. It can be due to loss of blood from bleeding, loss
of blood plasma through severe burns, and dehydration. The treatment, first and foremost,
is prompt intravenous administration of fluid. ...
Shock, primary: Sudden loss of blood pressure resulting in shock due to pain, fear, and other reactions experienced immediately after a severe injury....
Shock, psychologic: Trauma due to psychological events,
as in "shell shock" (now known as post-traumatic stress disorder)....
Shock, secondary: Shock that occurs as a side
effect of another problem, such as a crushing injury or
Shock, septic: Shock caused by infection. See
Shock, shell: The World War I name for what is known
today as post-traumatic stress, this is a psychological disorder that develops in some
individuals who have had major traumatic experiences (and, for example, have been in a
serious accident or through a war). The person is typically numb at first...
Shock, spinal: Shock caused by injury to the
Shock, toxic: See Syndrome, toxic shock. ...
Shock, vasogenic: Shock caused by widening of the
blood vessels, usually from medication....
Shopaholic: Someone obsessed with shopping. A compulsive shopper. From shop + -aholic, alteration of -oholic (as in alcoholic) See Compulsive shopping....
Short arm of a chromosome
Short arm of a chromosome: The short arm of a
human chromosome is symbolized
by convention as "p". The "p" comes from the French "petit"
All human chromosomes have 2 arms, the p (short) arm and
the q (long) arm. They are separated from each other only
by a primary constriction, ...
Short bowel syndrome
Short bowel syndrome: A condition due to loss of half or more of their small intestine removed because of surgical removal or disease of the small intestine. Common reasons for removing part of the small intestine include surgery for Crohn's disease; necrotizing enterocolitis, an infectious inflamma...
Short hairpin RNA
Short hairpin RNA: See: shRNA....